1. Small deciduous tree of western North America with crooked branches and pale grey bark
   - Oregon white oak, Oregon oak, Quercus garryana

Type of: white oak

Encyclopedia: Garry oak

• xylem
• rydberg
• rydberg constant
• rydberg unit
• Rydberg's penstemon
• rye
• rye bread
• rye ergot
• rye whiskey
• rye whisky
• ryegrass
• Rynchopidae
• Rynchops
• ryot
• Rypticus
• Ryukyu Islands
• Ryukyuan
• Réaumur
• réchauffé
• rémoulade
• röntgen
• s
• S wrench
• S-shape
• s-shaped